devthz
Data Scientist / Data Analyst
Data Scientist with 3+ years of experience in data analysis, modeling, and visualization. Delivered impactful solutions for key players in the education and healthcare sectors, including Fundcao Get´lio Vargas (FGV), SESI, the Mato Grosso State Department of Education, Ciˆencias Medicas, and dozens of Brazilian medical societies. I specialize in creating data products that drive results through strategy, automation, and actionable insights.
Experience: 3 years
Yearly salary: $60,000
Hourly rate: $60
Nationality: 🇧🇷 Brazil
Residency: 🇧🇷 Brazil
Experience
Data Science Lead
eduCAT Tecnologia 2025 - 2025
Led the Data Science team, overseeing project scoping, prioritization, and technical delivery. Coordinated the SESI PASSE project, reaching over 100,000 students with large-scale educational assessments. Collaborated with FGV to implement data strategies in public education policy initiatives. Managed data architecture and analytical systems to ensure scalability and performance.
Database Technical Consultant
Devs-X 2024 - 2025
Designed and optimized PostgreSQL databases for a payment gateway handling over BRL 100K in transactions. Reduced AWS RDS infrastructure costs by 33% through performance optimization.
Data Scientist
eduCAT Tecnologia 2023 - 2025
Built interactive dashboards using Power BI and Streamlit for real-time insights and monitoring. Cleaned, transformed, and analyzed complex datasets using Python and SQL. Refactored logging libraries to reduce system load and improve performance. Tuned SQL queries and procedures, reducing execution time and cutting AWS RDS costs.
Data Analyst
Freelancer 2022 - 2023
Designed dashboards and key performance indicators (KPIs) using Power BI. Processed and validated datasets using Python and SQL for business intelligence purposes.
Skills
data viz
data-science
python
sql
english